Explain why Host may be 0.0.0.0 for a UDS backend in "Upgrading".
Explain why Host may be 0.0.0.0 for a UDS backend in "Upgrading".

gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache